docs: def setupLogger(loggerName="osrframework", logFolder="./logs", verbosity=0):
      """ 
          Returns the logger to be used for the whole app. This method may be invoked if required by the launcher to update the verbosity syntax.
      
          :param loggerName:    Name of the package or app that is going to use this logger.
          :param logFolder:    Path to the folder where the information will be logged.
          :param verbosity:    Level of verbosity to be used: 
              - 0:    Only errors.
              - 1:    Standard output.
              - 2:    Verbose level with rich outputs.
              
          :return:    The logger already created.
      """
      logger = logging.getLogger(loggerName)
  
      # create a logging format
      loginFormat = '%(asctime)s [%(filename)s] - %(levelname)s:\n\t%(message)s\n'
  
      formatter = logging.Formatter(loginFormat)
  
      # first, defining the type of standard output and verbosity 
      if verbosity == 0:
          logging.basicConfig(level=logging.ERROR, format=loginFormat)
      elif verbosity == 1:
          logging.basicConfig(level=logging.INFO, format=loginFormat)
      elif verbosity == 2:
          logging.basicConfig(level=logging.DEBUG, format=loginFormat)
  
      # trying to store the logfile
      try:
          # verifying if the logs folder exist
          logFolder = os.path.join(os.path.dirname(os.path.realpath(__file__)), logFolder)
          if not os.path.exists(logFolder):
              os.makedirs(logFolder)
          # create a file handler
          logFile = os.path.join(logFolder, loggerName+".log")
      
          # This adds a handler to write on a file
          handler = logging.FileHandler(logFile)
          handler.setLevel(logging.DEBUG)
          formatterLogFile = logging.Formatter(loginFormat)
          handler.setFormatter(formatterLogFile)
      
          # add the handlers to the logger
          logger.addHandler(handler)
      except:
          logger.warning("The log file could not be created. No log will be stored for this session.")
  
      # Notifying correctly import
      #logger.debug(loggerName+ " successfully imported.")
      return logger